greengiant wrote:As was pointed out to me recently when I said something similar, two arbitrary circles don't always have a common tangent. You need to make sure one circle is not fully inside the other.
Anyway, here's a way to do it http://web.mat.bham.ac.uk/C.J.Sangwin/T ... mpass.html Took a minute for the java applet to load for me.
P.S. If someone had asked me this, I'd have just lined the straight-edge up with the two circles and drawn a line. Not sure why that constitutes cheating - not that different from lining the straight-edge up with two points and connecting them.
Wikipedia wrote:Each construction must be exact. "Eyeballing" it (essentially looking at the construction and guessing at its accuracy, or using some form of measurement, such as the units of measure on a ruler) and getting close does not count as a solution.
pollywog wrote:I want to learn this smile, perfect it, and then go around smiling at lesbians and freaking them out.Wikihow wrote:* Smile a lot! Give a gay girl a knowing "Hey, I'm a lesbian too!" smile.
Jerry Bona wrote:The Axiom of Choice is obviously true; the Well Ordering Principle is obviously false; and who can tell about Zorn's Lemma?
quintopia wrote:Any guesses what the constructible numbers are if you add such a device?
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